Triangular number: Difference between revisions

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	{{~~wikipedia~~}}The '''triangular number''' or '''triangle number''' (T<sub>n</sub>) gives the sum of integers starting at 1 up to n. It's the amount of objects in a dense planar equilateral arrangement.		{{Wikipedia\|Triangular number}}The '''triangular number''' or '''triangle number''' (T<sub>n</sub>) gives the sum of integers starting at 1 up to n. It's the amount of objects in a dense planar equilateral arrangement.

	Triangular numbers are used in the formation of [[highschool scales]].		Triangular numbers are used in the formation of [[highschool scales]].